Nautilus Under Sea, Mexico
8.9 Fabulous - Nitrox available
- Jacuzzi / Hot Tub
- En-Suite bathrooms
“This was our second trip on this boat and we have been 100% satisfied both times.”
Highlights
The latest addition to the Nautilus fleet in Mexico, the 27m Nautilus Under Sea offers divers spectacular dive tours to the Socorro Islands in Mexico. An ex-research vessel with her claims to fame, including being the support boat for the James Bond Movie "License to Kill" and a Deep Rover mission with Dr. Silvia Earle, as well as many research and photography missions, the former Under Sea Hunter, has now re-located to Mexico. She caters to 19 guests in 9 en-suite, air-conditioned cabins. The Undersea Hunter also offers plenty of room for relaxation, with a comfortable lounge and dining area and a large sun deck with loungers.
The dive deck offers ample space for kitting up and gear storage, as well as camera set-up and personal camera storage areas. The Nautilus Under Sea offers an amazing destination - the Socorro Islands. Diving the Socorro Islands, divers will come face to face with Giant Pacific Mantas, known as the friendliest mantas in the world! Also, there are sightings of up to 10 different kinds of sharks, dolphins, whale sharks, hammerheads, and humpback whales. Nautilus Under Sea offers 6-day trips with a pick-up in San Diego and leaving from Ensenada from July to November.
Don’t miss out on these amazing trips. Book online today to start your adventure.
Choose your departure date
Included: Drinking Water, Soft drinks, Tea & Coffee, Welcome Cocktails, Full-Board Meal Plan (All meals), Snacks, Special Dinner, Diving Package, Kayaks, Stand Up Paddleboard, Cabin Towels, Complimentary Toiletries, Deck Towels.
Required Extras: 5% VAT, Dive Insurance, National Park Fees (100-172 USD per day), Port Fees (35 USD).
Optional Extras: Travel Insurance, Gratuities, Hotel Transfer, Alcoholic Beverages, Nitrox (125 USD per trip), Private Dive Guide, Rental Gear, WiFi internet.
Book now, pay later: You can easily place your booking online. We will then hold the spaces for you and you can confirm with a payment later.
* Extra fees are shown per person.
Pay by bank transfer or online with
Drawings & Vessel Layouts
Cabin Types
Nautilus Under Sea Reviews
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- 8.9 Fabulous
- Vessel 8.4
- Crew 9.1
- Food 9.5
- Diving 9.2
- Value 8.5
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- 9.2 Superb
- Richard L
-
Canada
Amazing Liveaboard Experience with exceptional diving
I would recommend this trip to any diver interested in exceptional diving.
- Recommended for
- The wildlife encounters were amazing, from pelagic mantas on almost every dive, to 5 different types of shark, some huge, and a school of 1000+ 50 kg to 150 kg yellow fin tuna. Amazing!. The crew was amazing. The captain's leadership in delivering customer satisfaction. From driving zodiac skiffs, to clearing tables on occasion, nothing escaped his attention to detail. All efforts directed at delivering the best experience possible for the divers. The passengers gelled rapidly, with participants from Argentina, Brazil, Switzerland, Austria, Belgium, Taiwan, Canada and the U S.
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- 9.6 Exceptional
- Younggil S
-
South Korea
Worth diving trip
In most divings, we can see something interesting. The crew members were nice and friendly. They help us enjoying the diving trips.
- Recommended for
- amazing diving experiences. good crew members. nice guides.
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- 10 Exceptional
- Derek M
-
United States
Incredible week - go here to see the BIG stuff!
Had an awesome week! The best pelagic big stuff diving I've had anywhere in the world, mantas on every dive, hammerheads, close encounters with dolphins, tons of sharks and humpback whale watching from the surface. The crew was great, and were willing to take us on a launch between dives to go snorkeling with a school of false killer whales. The captain coordinated with other boats so that we were the only boat at Roca Partida (having multiple boats would have reduced our dives there).
- Recommended for
- Saw tons of pelagics and lots of fish life!. Awesome crew, they worked hard and put us in the best position for good diving.. Great people on the boat and time to share stories..
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- 10 Exceptional
- Philip K
-
Germany
Very friendly giant mantas
great islands great sea creatures great ship great crew great adventure
- Recommended for
- Giant Mantas. Hammerhead sharks. Dolphins.
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- 10 Exceptional
- TARA L
- United States
Best diving adventure I ever had! Giant Mantas, 6 species of sharks amazing crew and service!
It was great to spend the last of 2022 and the start of 2023 in such a beautiful place, with great dive buddies and excellent staff and divemasters
- Recommended for
- Location, Service from Crew, Big Animals
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- 10 Exceptional
- Thomas R
- Germany
Spectacular shark encounters
The almost 6m tall "Lucy" and another female of almost the same size, which were often very close to the cages. Sighting of a total of almost 30 different great white sharks. The information from the professional crew about the sharks and their distinguishing features was also great. This gives guests the opportunity to photograph a shark that has not yet been registered and to give it a name. The spectacular jumps of the sharks out of the water were also sensational.
- Recommended for
- A great experience to experience the great white sharks so closely, the warmth of the crew and the possibility of unlimited cage diving.
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- 10 Exceptional
- Andrea F
- United States
Another great trip to Socorro!
This was my second Socorro trip with nautilus and they are incredible. The dive guides are knowledgeable and patient, made me feel safe the entire time.
- Recommended for
- Crew. Food. Amazing dives.
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- 9.2 Superb
- Bruce P
- Canada
Excellent
Diving trip done in August 2025. We really enjoyed our time on the Nautilus Undersea. Crew was amazing and worked very hard at making we were happy and comfortable. Safety of guest was taken very seriously. Well organized. Swimming with Whale Sharks was great. We did one night dive and it was the best night dive we have ever done so far. Boat is a bit old but we were comfortable. No complaints at all. We are already planning our next dive trip in Socorro with them.
- Recommended for
- The crew. Diving. Food.
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- 10 Exceptional
- Carolyn K
- United States
For a relaxing vacation choose Nautilus Undersea
Overall a very organized and well run trip. This was our second trip on this boat and we have been 100% satisfied both times.
- Recommended for
- Amazing crew. Good food. Cabins.
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- 9.6 Exceptional
- Joel G
- United States
best trip for the price
getting bumped by a great white and loosing balance in the cage.
- Recommended for
- Sharks, sharks and a sea lion chasing a small juvenile white.
